Perhaps you should try some spelling variations:
"serie policiacas publica." » "serie politicas publicas.", "serie politica publica.", "serie politicas publicad.", "serie policiaca publica.", "series politicas publica."
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca publica."
"sobre politica public." » "sobre politica publica.", "sobre politica publicas.", "sobre politico publico.", "sobre politicas public."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("sobre politica public.") or ((("serie policiacas publica.") OR ("serie politicas publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politica public.") OR ((("serie policiacas publica.") OR ("serie politicas publica."))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"sobre politica public.\") or (((\"serie policiacas publica.\") OR (\"serie politicas publica.\"))))*".
• Removing quotes may allow a broader search: (( sobre politica public. ) or ((( serie policiacas publica. ) OR ( serie politicas publica. ))))*.